BE-4: GET Book Record

[tecnodeveloper]

Implement an endpoint to fetch a single book by its ID.

User Story

Given a book exists
When I request it by ID
Then I should receive that book’s details

Endpoint

GET /book/:id

Tasks

• Create GET /book/:id route

• Validate id param

• Fetch book from DB

• Handle not found case

• Return book data

• Add Swagger documentation

  • Define path param
  • Add responses (200, 404)

Acceptance Criteria

• Valid ID returns 200 OK with book
• Non-existent ID returns 404 Not Found
• Invalid ID returns 400 Bad Request
• Swagger UI supports testing

Testing Steps

• Create a book

• Copy its id

• Send GET request:

  /book/:id
  

• Verify response is 200 OK

• Test with invalid/non-existent ID → expect 404

Definition of Done

• Endpoint implemented
• Validation handled
• Error handling works
• Swagger docs updated
• Code linted and formatted